Valve and Prima have today released the first set of in-game Prima guides on Steam. The guides are readable in game thanks to Steam’s UI overlay functionality, and can be read outside of games. The first few games to get guides are Dragon Age: Origins, Just Cause 2 and Battlefield: Bad Company 2. All the launch titles’ guides are available for 50% off their normal price. Back in my day we had to keep an FAQ open in Firefox and alt-tab out of the game to have a look when things got hairy.